/**
 * 格式化日期
 * @param {Date|string|number} date - 日期对象、日期字符串或时间戳
 * @returns {string} 格式化后的日期字符串
 */
export function formatDate(date) {
    const d = new Date(date);
    const year = d.getFullYear();
    const month = String(d.getMonth() + 1).padStart(2, '0');
    const day = String(d.getDate()).padStart(2, '0');
    const hours = String(d.getHours()).padStart(2, '0');
    const minutes = String(d.getMinutes()).padStart(2, '0');
    const seconds = String(d.getSeconds()).padStart(2, '0');
    return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
  }